Plowing Through the Depths of Space - The star, called CW Leo, is hurtling through space at about 204,000 miles per hour (91 kilometers per second), or roughly 265 times the speed of sound on Earth. This image is the combination of near-ultraviolet data, shown in yellow, and far-ultraviolet data, shown in blue.
Make a favorite screen！
The Seagull Nebula named for the broad expanse of glowing gas and dust that presents a bird-like visage to astronomers on Earth.
The closest active galaxy to planet Earth, Centaurus A, is only 11 million light-years away. Forged in a collision of two galaxies and spanning over 60,000 light-years, Centaurus A is also known as NGC 5128. Near the galaxy's center, left over cosmic debris is steadily being consumed by a central black hole with a billion times the mass of the Sun.
In this beautiful celestial still life composed with a cosmic brush, dusty nebula NGC 2170 shines near the image center. Reflecting the light of nearby hot stars, NGC 2170 is joined by other bluish reflection nebulae, a red emission region, many dark absorption nebulae, and a backdrop of colorful stars.